Principal Gen AI Engineer

Overview

Who we are

Who we are

Collaborative. Respectful. A place to dream and do. These are just a few words that describe what life is like at Toyota. As one of the worlds most admired brands Toyota is growing and leading the future of mobility through innovative high-quality solutions designed to enhance lives and delight those we serve. Were looking for diverse talented team members who want to Dream. Do. Grow. with us.

To save time applying Toyota does not offer sponsorship of job applicants for employment-based visas or any other work authorization for this position at this time.

Who were looking for

Toyota Financial Services is looking for a passionate and highly-motivatedPrincipal/Senior Lead Gen AI Engineer. The primary responsibility of this role is to drive the design of secure scalable and modern applications with a strong emphasis on AI and GenAI-enabling technologies.

Reporting to the National Manager Domain Architecture Leader this is a senior-level individual contributor role within the Architecture organization focused on delivering hands-on solution designs and proofs of concept that bring innovative ideas to life. You will work closely with Domain Architects product teams and engineers to solve real business problems by developing good scalable GenAI Solutions.

What youll be doing

• Design scalable and robust GenAI architectures using LLMs multimodal models and retrieval-augmented generation (RAG).

• Fine-tune foundation models using domain-specific data.

• Implement prompt engineering instruction tuning and reinforcement learning from human feedback (RLHF).

• Integrate GenAI capabilities into enterprise platforms using APIs SDKs and orchestration tools.

• Implement responsible AI practices including bias detection hallucination mitigation and explainability.

• Monitor and optimize model performance latency and cost.

• Use techniques like quantization distillation and caching to improve efficiency.

• Stay ahead of GenAI trends and emerging technologies.

• Drive experimentation with new models agents and frameworks (e.g. LangChain LlamaIndex OpenAI Anthropic etc.).

• Ensure compliance with data privacy security and regulatory standards.

• Evaluate and select appropriate model types (open-source vs proprietary) based on business needs.

• Lead hands-on solution evaluations prototypes and proofs of concept especially for initiatives involving AI GenAI and emerging technologies

• Make informed architectural trade-offs based on business needs performance cost and long-term maintainability

• Contribute reusable patterns and documentation that support solution delivery across teams

• Stay informed on trends in cloud services architecture frameworks and GenAI tooling

What you bring

• 10 years of software engineering and development experience

• Proven experience in building and deploying GenAI applications in production.

• Strong programming skills in Python and familiarity with GenAI libraries (Transformers LangChain Hugging Face etc.).

• Deep understanding of LLMs embeddings vector databases (e.g. FAISS Pinecone Weaviate).

• Experience with cloud platforms (AWS Azure GCP) and containerization (Docker Kubernetes).

• Familiarity with CI/CD for ML workflows and versioning tools like MLflow or DVC.

• Knowledge of prompt engineering few-shot learning and agent-based systems.

• Hands-on experience designing and building cloud-native solutions (preferably on AWS)

• Experience with modern architecture styles: microservices APIs event-driven systems

• Strong ability to articulate technical solutions trade-offs and system behavior to both technical and non-technical stakeholders

Added bonus if you have

• Exposure to GenAI tools and frameworks (e.g. LLMs vector databases prompt orchestration LangChain Bedrock)

• Familiarity with AWS AI/ML services (e.g. SageMaker Bedrock Comprehend Lex)

• AWS AI certification

• Financial Services experience

What well bring

During your interview process our team can fill you in on all the details of our industry-leading benefits and career development opportunities. A few highlights include:

• A work environment built on teamwork flexibility and respect

• Professional growth and development programs to help advance your career as well as tuition reimbursement

• Team Member Vehicle Purchase Discount.

• Toyota Team Member Lease Vehicle Program (if applicable).

• Comprehensive health care and wellness plans for your entire family

• Toyota 401(k) Savings Plan featuring a company match as well as an annual retirement contribution from Toyota regardless of whether you contribute

• Paid holidays and paid time off

• Referral services related to prenatal services adoption childcare schools and more

• Tax Advantaged Accounts (Health Savings Account Health Care FSA Dependent Care FSA)

Belonging at Toyota

Our success begins and ends with our people. We embrace all perspectives and value unique human experiences. Respect for all is our North Star. Toyota is proud to have 10 different Business Partnering Groups across 100 different North American chapter locations that support team members efforts to dream do and grow without questioning that they belong.

Applicants for our positions are considered without regard to race ethnicity national origin sex sexual orientation gender identity or expression age disability religion military or veteran status or any other characteristics protected by law.

Have a question need assistance with your application or do you require any special accommodations Please send an email to .